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BIOS-255 Week 6 Discussion: Respiratory Anatomy – Option A Option A: Describe the anatomy and histology of the respiratory system and how each of the functions are related. The Respiratory Sys tems main function is to filter air as it is breathed from external elements. The airways maintain homeostasis by monitoring pathogen entrance and preventing inflammation. The main organs are the nose, pharynx, larynx, trachea, bronchi, lungs. The respiratory system can be divided into a conducting porti...

BIOS-255 Week 6 Virtual Lab: Respiratory System – Graded An A+ Learning Objectives: • Describe the gross anatomical features of the respiratory tract. • Trace the flow of air into and out o f the lungs. • Explain how Boyle’s law relates to the changing intrapleural and alveolar air pressures and volumes during respiration. • Define various pulmonary volumes. Introduction: The respiratory tract carries air to and from the lungs. Air drawn in through the nose or mouth passes through th...

Running Head: CASE STUDY – CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) BIO 255 WEEK 6 Case Study – Chronic Obstructive Pulmonary Disease (COPD) How is Venti lation Different from Respiration? Ventilation is very different from respiration. Ventilation is mechanical and involves the movement of air. It is the mechanical drawing in and expelling out air via breathing. Respiration is physiologic and involves the exchange of gases in the alveoli, external respiration, and in the cells, internal...

BIOS-255 Week 5 Exam 2 (Week 3 and 4): - With 100% Correct Answers- Graded An A+ 1. A missing p-wave indicated what structure is not depolarizing/firing properly thus not properly depolarizing the at rium? a. AV node b. SA node c. Bundle Branches d. Perkinje Fibers 2. When left ventricular pressure begins to increase, this will be the driving force to open what valve? a. Pulmonary valve b. Tricuspid Valve c. Aortic Valve d. Bicuspid Valve 3. What is CO with the following values: HR: 60 BPM Systo...

BIOS 225 Week 5 Case Study: Hypersensitivity Reactions- Graded An A+ Required Resources Read/review the following resources for this activity: • Textbook • Weekly Concepts • Minimum of 1 scholarly source Scenario/Summary Manuel loved the outdoors and loved playing softball. There was no better way to spend a weekend than on the diamond hitting the ball and cooking burgers on the park grill. "Hey Jose, great game this afternoon," Manuel said to his friend. "Yep," Jose replied. "I loved...

BIOS 255 Week 5 Virtual Lab: Introduction to Immunology Part I, Part II Week 5 Immune System Learning Objectives: 1. Distinguish innate immunity from adaptive immunity. a to the body's ability to defend itself against disease and infection. Immunity can be categorized into two different forms: innate or adaptive. We will explore the 2 types of defenses and learn about inflammation. Our lab challenge will take a look at how we perform test for exposure and immunity to pathogens. Assignment: Part...

BIOS-255 Week 4 Virtual Lab: Lymphatic System – Download For An A+ Learning Objectives: 1. State the components and functions of the lymphatic system 2. Trace lymphatic drainage through the m ajor vessels of the lymphatic system. 3. Identify the mechanisms that cause movement of lymph through the lymph vessels. Introduction: The lymphatic system consists of lymphatic fluid, lymphatic vessels, lymphatic tissue, and lymphatic organs located throughout the tissues of the body. It functions to dra...

BIOS 255 WEEK 4 DISCUSSION POST AND REPLY – SCORED AN A+ OPTION A: The lymphatic system removes excess fluid from the body's tissues, distributes white blood cells (WBCs), and helps organ system s work properly. Lymph nodes are an important part of this system. Lymph nodes are important to the lymphatic system because they combat infections, regulate fluid balance, filter lymph, and control cancer. The lymphatic system is intricately linked to the immunological and circulatory systems, all of...

BIOS 255 Week 4 Case Study Assignment: Natural Killer Cell Deficiency – Graded An A+ Required Resources Read/review the following resources for this activity: • Textbook • Weekly Concepts • Minimum of 1 scholarly source Scenario/Summary Shanice was a vibrant 16-year-old who was enjoying her high school years. As a good student, she loved attending school and woke every morning eager to start the day. A popular girl, she was surrounded by many friends who all enjoyed each other's company...

BIOS 255 Week 3 Exam Study Guide- Get ready for success by downloading for revision." • This examination covers content learned in weeks 3 & 4 (Ch. 20 and first half of Ch. 21) • This midt erm exam is worth 110 total points, and includes the following types of questions: o 24 Multiple choice @ 3 pts o 1 Matching @ 5 pts o 2 Multiple answers @ 4 pts o 1 Calculation question @ 5 pts o 1 Short answer @ 5 pts o 1 Essay @ 15 pts • You have 75 minutes to complete the Exam Ch. 19 (Review) Review...